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1446001421 = 23407915413
BaseRepresentation
bin101011000110000…
…0011101100001101
310201202220111001012
41112030003230031
510430134021141
6355252455005
750555544404
oct12614035415
93652814035
101446001421
116822592a7
1234431a465
131a0766b57
14da08863b
1586e2eceb
hex56303b0d

1446001421 has 8 divisors (see below), whose sum is σ = 1509338880. Its totient is φ = 1382702992.

The previous prime is 1446001411. The next prime is 1446001429. The reversal of 1446001421 is 1241006441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1446001421 - 230 = 372259597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1446001429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86111 + ... + 101523.

It is an arithmetic number, because the mean of its divisors is an integer number (188667360).

Almost surely, 21446001421 is an apocalyptic number.

It is an amenable number.

1446001421 is a deficient number, since it is larger than the sum of its proper divisors (63337459).

1446001421 is a wasteful number, since it uses less digits than its factorization.

1446001421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19515.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1446001421 is about 38026.3253680920. The cubic root of 1446001421 is about 1130.8098251625.

Adding to 1446001421 its reverse (1241006441), we get a palindrome (2687007862).

The spelling of 1446001421 in words is "one billion, four hundred forty-six million, one thousand, four hundred twenty-one".

Divisors: 1 23 4079 15413 93817 354499 62869627 1446001421